/* ==========================================
   LOGIN PAGE SPECIFIC STYLES
   ========================================== */

/* ==========================================
   CSS VARIABLES (Custom Properties)
   ========================================== */
:root {
    --primary-color: #0d6efd;
    --primary-dark: #0a58ca;
    --primary-rgb: 13, 110, 253;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --text-dark: #2d3748;
    --text-muted: #718096;
    --border-color: #e2e8f0;
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --shadow-hover: rgba(0, 0, 0, 0.15);
}

/* Dark mode variables */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-light: #1a202c;
        --bg-white: #2d3748;
        --text-dark: #f7fafc;
        --text-muted: #a0aec0;
        --border-color: #4a5568;
        --shadow-color: rgba(0, 0, 0, 0.3);
        --shadow-hover: rgba(0, 0, 0, 0.4);
    }
}

/* ==========================================
   CONTAINER
   ========================================== */
.login-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 20px;
    transition: background-color 0.3s ease; /* Tambahan untuk dark mode */
}

@media (prefers-color-scheme: dark) {
    .login-container {
        background: linear-gradient(135deg, #1a202c 0%, #2d3748 100%);
    }
}

/* ==========================================
   CARD
   ========================================== */
.login-card {
    background: var(--bg-white);
    border-radius: 20px;
    box-shadow: 0 20px 60px var(--shadow-color);
    padding: 40px;
    max-width: 450px;
    width: 100%;
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.3s ease;
    animation: fadeInUp 0.6s ease;
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 70px var(--shadow-hover);
}

/* ==========================================
   HEADER
   ========================================== */
.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .logo-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 35px;
    color: white;
    box-shadow: 0 10px 30px rgba(var(--primary-rgb), 0.3);
    transition: transform 0.3s ease;
}

.login-card:hover .logo-icon {
    transform: scale(1.05) rotate(-5deg);
}

.login-header h3 {
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 5px;
    transition: color 0.3s ease;
}

.login-header p {
    color: var(--text-muted);
    font-size: 14px;
    transition: color 0.3s ease;
}

/* ==========================================
   FORM GROUP
   ========================================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    font-weight: 500;
    color: var(--text-dark);
    font-size: 14px;
    margin-bottom: 5px;
    display: block;
    transition: color 0.3s ease;
}

.form-group label i {
    color: var(--primary-color);
}

.form-group .input-group {
    border-radius: 10px;
    overflow: hidden;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
    background: var(--bg-white);
}

.form-group .input-group:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.1);
}

/* Error state */
.form-group .input-group.error {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

.form-group .input-group.error:focus-within {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.2);
}

/* Success state */
.form-group .input-group.success {
    border-color: var(--success-color);
    box-shadow: 0 0 0 3px rgba(40, 167, 69, 0.1);
}

.form-group .input-group-text {
    background: transparent;
    border: none;
    color: #a0aec0;
    padding: 10px 15px;
    transition: color 0.3s ease;
}

.form-group .input-group:focus-within .input-group-text {
    color: var(--primary-color);
}

.form-group .form-control {
    border: none;
    padding: 10px 15px;
    font-size: 14px;
    background: transparent;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.form-group .form-control::placeholder {
    color: #a0aec0;
    font-size: 13px;
}

.form-group .form-control:focus {
    box-shadow: none;
    outline: none;
}

/* ==========================================
   BUTTON LOGIN
   ========================================== */
.btn-login {
    width: 100%;
    padding: 12px;
    font-weight: 600;
    font-size: 16px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border: none;
    color: white !important;
    transition: all 0.3s ease;
    margin-top: 10px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(var(--primary-rgb), 0.3);
}

.btn-login:active {
    transform: translateY(0) scale(0.98);
}

/* Focus state untuk aksesibilitas */
.btn-login:focus-visible {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading state */
.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn-login:disabled:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* Ripple effect */
.btn-login::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-login:active::after {
    width: 300px;
    height: 300px;
}

/* ==========================================
   FOOTER
   ========================================== */
.login-footer {
    text-align: center;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 14px;
    transition: border-color 0.3s ease, color 0.3s ease;
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.login-footer a:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

/* ==========================================
   FORM OPTIONS
   ========================================== */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 15px 0;
    font-size: 14px;
}

.form-options .form-check {
    margin: 0;
}

.form-options .form-check-input {
    margin-top: 2px;
    cursor: pointer;
}

.form-options .form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-options .form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.25);
}

.form-options .form-check-label {
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.form-options a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.form-options a:hover {
    text-decoration: underline;
    color: var(--primary-dark);
}

/* ==========================================
   PASSWORD TOGGLE
   ========================================== */
.password-toggle {
    cursor: pointer;
    padding: 10px 15px;
    color: #a0aec0;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    border-left: 1px solid var(--border-color);
    background: transparent;
}

.password-toggle:hover {
    color: var(--primary-color);
    background: rgba(var(--primary-rgb), 0.05);
}

.password-toggle i {
    font-size: 1.1rem;
}

/* ==========================================
   ALERTS
   ========================================== */
.login-container .alert {
    border-radius: 10px;
    border: none;
    padding: 12px 16px;
    animation: slideInRight 0.5s ease;
}

.login-container .alert-success {
    background: #d4edda;
    color: #155724;
}

.login-container .alert-danger {
    background: #f8d7da;
    color: #721c24;
}

.login-container .alert-warning {
    background: #fff3cd;
    color: #856404;
}

.login-container .alert-info {
    background: #d1ecf1;
    color: #0c5460;
}

.login-container .alert i {
    font-size: 1.2rem;
}

/* ==========================================
   TEXT DANGER (Error messages)
   ========================================== */
.text-danger {
    color: var(--danger-color) !important;
    font-size: 12px;
    margin-top: 5px;
    display: block;
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

.shake {
    animation: shake 0.5s ease;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 576px) {
    .login-card {
        padding: 25px;
        margin: 15px;
    }
    
    .login-header .logo-icon {
        width: 60px;
        height: 60px;
        font-size: 25px;
    }
    
    .login-header h3 {
        font-size: 1.3rem;
    }
    
    .form-options {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .btn-login {
        padding: 10px;
        font-size: 14px;
    }
    
    .form-group label {
        font-size: 13px;
    }
    
    .form-group .form-control {
        font-size: 13px;
        padding: 8px 12px;
    }
    
    .password-toggle {
        padding: 8px 12px;
    }
}

@media (max-width: 400px) {
    .login-card {
        padding: 20px;
    }
    
    .login-header .logo-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
}

/* ==========================================
   ACCESSIBILITY
   ========================================== */
.form-control:focus-visible,
.form-select:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ==========================================
   UTILITY CLASSES (Override Bootstrap jika perlu)
   ========================================== */
.text-muted {
    color: var(--text-muted) !important;
}